CN218927871U

CN218927871U - Folding mechanical arm

Info

Publication number: CN218927871U
Application number: CN202223343591.1U
Authority: CN
Inventors: 陈潇平
Original assignee: Anhui University of Technology AHUT
Current assignee: Anhui University of Technology AHUT
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-04-28
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a folding mechanical arm, and relates to the technical field of mechanical arms. The device comprises a carrying seat, wherein a traction arm is rotationally connected to the carrying seat, and a rotatable telescopic assembly is installed at the top of one end of the traction arm; the telescopic assembly comprises an assembly sleeve, the top of one end of the traction arm is installed at one end of the assembly sleeve, and a communication notch is formed in one side of the outer portion of the assembly sleeve. According to the utility model, the assembly frame is fixed on one side of the assembly sleeve, the rotatable transmission gear is arranged in the assembly frame, so that the transmission gear is driven by the motor at the top of the assembly frame, the sliding arm drives the electric mechanical claw to move by driving the transmission rack to move, the stability of the folding mechanical arm when actually clamping some heavier objects is enhanced by utilizing a specific self-locking capability when the gear racks are meshed, and the folding mechanical arm can be further extended, so that the movable range of the folding mechanical arm is indirectly enlarged.

Description

Folding mechanical arm

Technical Field

The utility model relates to the technical field of mechanical arms, in particular to a folding mechanical arm.

Background

The mechanical arm is a connection bracket for carrying functional components, and is generally capable of being deformed to perform operations such as bending and rotating.

When the automatic multi-axis folding mechanical arm is in actual use, the position is generally adjusted through the linkage of the connecting shaft, and the self-locking function does not exist between the connecting shaft and the connecting shaft, so that the phenomenon that the mechanical arm slips when the folding mechanical arm actually clamps heavier objects can occur, and the novel device is provided for solving the problems.

Disclosure of Invention

The present utility model is directed to a folding mechanical arm, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the folding mechanical arm comprises a carrying seat, wherein a traction arm is rotationally connected to the carrying seat, and a rotatable telescopic assembly is installed at the top of one end of the traction arm;

the telescopic assembly comprises an assembly sleeve, one end of the assembly sleeve is provided with the top of one end of a traction arm, one side of the outer part of the assembly sleeve is provided with a communication gap, one side of the outer part of the assembly sleeve is provided with an assembly frame for adjusting the placement position, the inner part of the assembly sleeve is connected with a sliding arm in a sliding manner, one side of the sliding arm is fixedly connected with a transmission rack, the transmission rack is matched with the communication gap, and one end of the sliding arm is provided with a rotatable electric mechanical claw;

the top of the assembly frame is provided with a rotating motor, and the output end of the rotating motor penetrates through the top of the assembly frame and is fixedly connected with a transmission gear which is matched with the transmission rack.

Preferably, one end fixedly connected with assembly frame at trailing arm top, the top of assembly frame is the breach design, the outside both sides of assembly sleeve are fixedly connected with spliced pole respectively, and the one end of two spliced poles respectively with the both sides of assembly frame inner wall rotates to be connected.

Preferably, the bottom of assembly frame one side with the bottom of carrying on seat one side all is fixed with the mounting bracket, and the top of two mounting brackets all is fixed with driving motor, and the output of two driving motor runs through assembly frame and carrying on the seat respectively with the spliced pole with the trailing arm is fixed mutually.

Preferably, a plurality of positioning slot holes are respectively formed in one side of the assembly sleeve, the plurality of positioning slot holes are uniformly distributed on two sides of the outside of the communication notch, and the top end and the bottom end of the inside of the assembly frame are respectively penetrated with a positioning pin which can be pulled out, and the positioning pins are matched with the positioning slot holes.

Preferably, the outside of the carrying seat is in a circular truncated cone structure, and a communication groove matched with the traction arm is formed in the top of the circular truncated cone.

Compared with the prior art, the utility model has the beneficial effects that:

the folding mechanical arm is characterized in that an assembly frame is fixed on one side of an assembly sleeve, a rotatable transmission gear is arranged in the assembly frame, the transmission gear is driven by a motor at the top of the assembly frame to drive a transmission rack to move, so that a sliding arm drives an electric mechanical claw to move,

in addition, the stability of the folding mechanical arm when actually clamping a plurality of heavy objects is enhanced by utilizing a specific certain self-locking capability when the gear and the rack are meshed, so that the folding mechanical arm can be further extended, and the moving range of the folding mechanical arm is indirectly enlarged.

Drawings

FIG. 1 is an isometric view of the present utility model;

fig. 2 is a structural view of the telescopic assembly of the present utility model.

In the figure: 1. a driving motor; 2. a carrying seat; 3. a traction arm; 4. a mounting frame; 5. assembling a frame; 6. a telescoping assembly; 601. assembling a sleeve; 602. a rotating motor; 603. a sliding arm; 604. a drive rack; 605. a transmission gear; 606. an assembly frame; 607. a communicating notch; 608. a connecting column; 609. positioning the slot hole; 7. an electric gripper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale, e.g., the thickness or width of some layers may be exaggerated relative to other layers for ease of description.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined or illustrated in one figure, no further detailed discussion or description thereof will be necessary in the following description of the figures.

Referring to fig. 1-2, the device includes a carrying seat 2, wherein the outside of the carrying seat 2 is in a circular truncated cone structure, a communication groove adapted to the traction arm 3 is provided at the top of the circular truncated cone, and it should be noted that the carrying seat 2 is rotationally connected with the traction arm 3 through the communication groove, and a rotatable telescopic component 6 is mounted at the top of one end of the traction arm 3.

Referring to fig. 2, it can be seen that the telescopic assembly 6 in the present application includes an assembly sleeve 601, one end of the assembly sleeve 601 is provided with a top of one end of the traction arm 3, one side of the outer portion of the assembly sleeve 601 is provided with a communication notch 607, one side of the outer portion of the assembly sleeve 601 is provided with an assembly frame 606 for adjusting the placement position, the inner portion of the assembly sleeve 601 is slidably connected with a sliding arm 603, one side of the sliding arm 603 is fixedly connected with a transmission rack 604, the transmission rack 604 is matched with the communication notch 607, and one end of the sliding arm 603 is provided with a rotatable electric mechanical claw 7.

It should be noted that the electric gripper 7 is a mature technical device existing at the present stage in the present application, and its specific brand is a multifunctional hydraulic rotary gripper for remote ZMJ-021, so the internal structure of the device and how it rotates and works are not specifically described in the present application.

In addition, in the present application, the top end of the assembly frame 606 is provided with a rotating motor 602, and an output end of the rotating motor 602 penetrates through the top of the assembly frame 606 and is fixedly connected with a transmission gear 605, and the transmission gear 605 is matched with the transmission rack 604.

It should be emphasized that, in the application, through fixing the assembly frame 606 at one side of the assembly sleeve 601, the rotatable transmission gear 605 is installed in the assembly frame, so that the transmission gear 605 is driven by the motor at the top of the assembly frame 606, the sliding arm 603 drives the electric gripper to move by driving the transmission rack 604 to move, the stability of the folding mechanical arm when actually clamping some heavier objects is enhanced by utilizing a specific self-locking capability when the gear racks are meshed, and the folding mechanical arm can be further extended, so that the moving range of the folding mechanical arm is indirectly enlarged.

In addition, it should be noted that, in the present application, one end at the top of the traction arm 3 is fixedly connected with an assembly frame 5, the top end of the assembly frame 5 is designed as a notch, two sides of the outer portion of the assembly sleeve 601 are respectively fixedly connected with a connecting post 608, and one ends of the two connecting posts 608 are respectively connected with two sides of the inner wall of the assembly frame 5 in a rotating manner.

It should be added that, in the present application, the bottom of the assembly frame 5 side and the bottom of the carrying seat 2 side are both fixed with the mounting frames 4, the tops of the two mounting frames 4 are both fixed with the driving motor 1, and the output ends of the two driving motors 1 respectively penetrate through the assembly frame 5 and the carrying seat 2 and are fixed with the connecting column 608 and the traction arm 3.

When the device is in actual use, the driving motor 1 is operated to drive the traction arm 3 or the assembly sleeve 601 to rotate, and the device is unfolded or folded.

Referring to fig. 2, a plurality of positioning holes 609 are formed in one side of the assembly sleeve 601 in the present application, the plurality of positioning holes 609 are uniformly distributed on two sides of the outside of the communication notch 607, and the top and bottom ends of the inside of the assembly frame 606 are inserted with positioning pins that can be pulled out, and the positioning pins are adapted to the positioning holes 609.

It should be emphasized that, in the application, when the position of the mounting frame 606 needs to be adjusted, the positioning pin can be pulled out from the positioning slot hole 609, and the positioning pin can be reinserted into the positioning slot hole 609 at a different position to complete the adjustment of the position of the mounting frame 606.

It should be noted that, the adjustment of the position of the mounting frame 606 serves to adjust the telescopic distance of the device.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a folding mechanical arm, includes carries on seat (2), its characterized in that: the carrying seat (2) is rotationally connected with a traction arm (3), and a rotatable telescopic assembly (6) is arranged at the top of one end of the traction arm (3);

the telescopic component (6) comprises an assembling sleeve (601), a top of one end of a traction arm (3) is mounted at one end of the assembling sleeve (601), a communication notch (607) is formed in one side of the outer portion of the assembling sleeve (601), an assembling frame (606) for adjusting the placement position is mounted on one side of the outer portion of the assembling sleeve (601), a sliding arm (603) is connected inside the assembling sleeve (601) in a sliding mode, a transmission rack (604) is fixedly connected to one side of the sliding arm (603), the transmission rack (604) is matched with the communication notch (607), and a rotatable electric mechanical claw (7) is mounted at one end of the sliding arm (603);

the top of assembly jig (606) is installed rotary motor (602), and the output of rotary motor (602) runs through the top of assembly jig (606) and fixedly connected with drive gear (605), drive gear (605) with drive rack (604) looks adaptation.

2. A folding mechanical arm according to claim 1, characterized in that: one end fixedly connected with assembly frame (5) at trailing arm (3) top, the top of assembly frame (5) is the breach design, the outside both sides of assembly sleeve (601) are fixedly connected with spliced pole (608) respectively, and the one end of two spliced poles (608) respectively with the both sides of assembly frame (5) inner wall rotate and be connected.

3. A folding robotic arm according to claim 2, wherein: the bottom of assembly frame (5) one side with the bottom of carrying on seat (2) one side all is fixed with mounting bracket (4), and the top of two mounting brackets (4) all is fixed with driving motor (1), and the output of two driving motor (1) runs through assembly frame (5) and carrying on seat (2) respectively with spliced pole (608) with traction arm (3) are fixed mutually.

4. A folding mechanical arm according to claim 1, characterized in that: a plurality of positioning slot holes (609) are respectively formed in one side of the assembly sleeve (601), the positioning slot holes (609) are uniformly distributed on two sides outside the communication notch (607), and positioning pins capable of being pulled out are inserted into the top end and the bottom end inside the assembly frame (606), and are matched with the positioning slot holes (609).

5. A folding mechanical arm according to claim 1, characterized in that: the outside of carrying seat (2) is round platform structure, and the top of round platform is seted up with the intercommunication slot of trailing arm (3) looks adaptation.